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1/*2 * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved.3 *4 * This software is available to you under a choice of one of two5 * licenses. You may choose to be licensed under the terms of the GNU6 * General Public License (GPL) Version 2, available from the file7 * COPYING in the main directory of this source tree, or the8 * OpenIB.org BSD license below:9 *10 * Redistribution and use in source and binary forms, with or11 * without modification, are permitted provided that the following12 * conditions are met:13 *14 * - Redistributions of source code must retain the above15 * copyright notice, this list of conditions and the following16 * disclaimer.17 *18 * - Redistributions in binary form must reproduce the above19 * copyright notice, this list of conditions and the following20 * disclaimer in the documentation and/or other materials21 * provided with the distribution.22 *23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE30 * SOFTWARE.31 */32#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H33#define _CXGB3_OFFLOAD_CTL_DEFS_H34 35enum {36 GET_MAX_OUTSTANDING_WR = 0,37 GET_TX_MAX_CHUNK = 1,38 GET_TID_RANGE = 2,39 GET_STID_RANGE = 3,40 GET_RTBL_RANGE = 4,41 GET_L2T_CAPACITY = 5,42 GET_MTUS = 6,43 GET_WR_LEN = 7,44 GET_IFF_FROM_MAC = 8,45 GET_DDP_PARAMS = 9,46 GET_PORTS = 10,47 48 ULP_ISCSI_GET_PARAMS = 11,49 ULP_ISCSI_SET_PARAMS = 12,50 51 RDMA_GET_PARAMS = 13,52 RDMA_CQ_OP = 14,53 RDMA_CQ_SETUP = 15,54 RDMA_CQ_DISABLE = 16,55 RDMA_CTRL_QP_SETUP = 17,56 RDMA_GET_MEM = 18,57 RDMA_GET_MIB = 19,58 59 GET_RX_PAGE_INFO = 50,60 GET_ISCSI_IPV4ADDR = 51,61 62 GET_EMBEDDED_INFO = 70,63};64 65/*66 * Structure used to describe a TID range. Valid TIDs are [base, base+num).67 */68struct tid_range {69 unsigned int base; /* first TID */70 unsigned int num; /* number of TIDs in range */71};72 73/*74 * Structure used to request the size and contents of the MTU table.75 */76struct mtutab {77 unsigned int size; /* # of entries in the MTU table */78 const unsigned short *mtus; /* the MTU table values */79};80 81struct net_device;82 83/*84 * Structure used to request the adapter net_device owning a given MAC address.85 */86struct iff_mac {87 struct net_device *dev; /* the net_device */88 const unsigned char *mac_addr; /* MAC address to lookup */89 u16 vlan_tag;90};91 92/* Structure used to request a port's iSCSI IPv4 address */93struct iscsi_ipv4addr {94 struct net_device *dev; /* the net_device */95 __be32 ipv4addr; /* the return iSCSI IPv4 address */96};97 98struct pci_dev;99 100/*101 * Structure used to request the TCP DDP parameters.102 */103struct ddp_params {104 unsigned int llimit; /* TDDP region start address */105 unsigned int ulimit; /* TDDP region end address */106 unsigned int tag_mask; /* TDDP tag mask */107 struct pci_dev *pdev;108};109 110struct adap_ports {111 unsigned int nports; /* number of ports on this adapter */112 struct net_device *lldevs[2];113};114 115/*116 * Structure used to return information to the iscsi layer.117 */118struct ulp_iscsi_info {119 unsigned int offset;120 unsigned int llimit;121 unsigned int ulimit;122 unsigned int tagmask;123 u8 pgsz_factor[4];124 unsigned int max_rxsz;125 unsigned int max_txsz;126 struct pci_dev *pdev;127};128 129/*130 * Structure used to return information to the RDMA layer.131 */132struct rdma_info {133 unsigned int tpt_base; /* TPT base address */134 unsigned int tpt_top; /* TPT last entry address */135 unsigned int pbl_base; /* PBL base address */136 unsigned int pbl_top; /* PBL last entry address */137 unsigned int rqt_base; /* RQT base address */138 unsigned int rqt_top; /* RQT last entry address */139 unsigned int udbell_len; /* user doorbell region length */140 unsigned long udbell_physbase; /* user doorbell physical start addr */141 void __iomem *kdb_addr; /* kernel doorbell register address */142 struct pci_dev *pdev; /* associated PCI device */143};144 145/*146 * Structure used to request an operation on an RDMA completion queue.147 */148struct rdma_cq_op {149 unsigned int id;150 unsigned int op;151 unsigned int credits;152};153 154/*155 * Structure used to setup RDMA completion queues.156 */157struct rdma_cq_setup {158 unsigned int id;159 unsigned long long base_addr;160 unsigned int size;161 unsigned int credits;162 unsigned int credit_thres;163 unsigned int ovfl_mode;164};165 166/*167 * Structure used to setup the RDMA control egress context.168 */169struct rdma_ctrlqp_setup {170 unsigned long long base_addr;171 unsigned int size;172};173 174/*175 * Offload TX/RX page information.176 */177struct ofld_page_info {178 unsigned int page_size; /* Page size, should be a power of 2 */179 unsigned int num; /* Number of pages */180};181 182/*183 * Structure used to get firmware and protocol engine versions.184 */185struct ch_embedded_info {186 u32 fw_vers;187 u32 tp_vers;188};189#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */190